Nautilus Lifeline have one simple objective: to save lives. Made to help you be found in the water this Canadian company make compact Nautilus Lifeline GPS beacons for divers that can broadcast your location to nearby boats so you can be found. The small Nautilus Lifeline beacon stays with you during the dive. One Nautilus Lifeline. USB adapter cable. 2x USB port cover (one spare) Clip (attached to unit) Antenna (installed on unit) Quick Start Guide. If any of these items are absent upon receipt of your Lifeline, contact your dealer or Nautilus Lifeline (see Customer Support on page 22). OPTIONAL ACCESSORIES. Nautilus Lifeline v.64 Firmware Update Discussion in ' Nautilus Lifeline ' started by Nautilus Explorer, May 25, 2012. Nautilus Explorer ScubaBoard Business Sponsor ScubaBoard Business Sponsor. The new nautilus lifeline is a huge step backwards as now it can only be used in emergencies, and you involve other boats when it could be avoided with VHF. I think it would be a good option if it were the cheaper brother of the 'Deluxe' VHF model, but to get rid of it altogether is a huge mistake that I think Nautilus will regret.

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November 2016Download the Entire Issue (PDF)

Vol. 31, No. 11 What's this?

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Ben Davison

Publisher and Editor

Undercurrent

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Sausalito, CA 94965

but safety planning kills the angst

from the November, 2016 issue of Undercurrent

Seatbelts in cars, helmets for motorcyclists,smoke detectors in homes -- none of these hasbeen universally adopted by individuals except inthose countries where they have been mandated bylaw. Why is that? They clearly save lives. Well, frankly,safety precautions are not sexy.

'It's never going to happen to me.' That's theever-optimistic sentiment of most people. You neverfelt the need to have a fire extinguisher in yourhome until it is ablaze.

The Titanic set sail with insufficient lifeboats forthe number of passengers it carried. Well, it wasunsinkable, wasn't it?

Divers might be slightly different, because wheneverwe break the surface after a serious dive, wehave that momentary feeling of being alone in theocean. In fact, we have abdicated our well beingto the efficiency of those who are tasked with comingto find us. The foolhardy expect that task tobe easy. They haven't considered how tiny a diver'shead may look among the vastness of the ocean'swaves.

This scenario was encapsulated many years agoby six Japanese divers who got separated from theirboat in Palau. There followed a massive sea search.One woman diver wrote on her slate, 'We can seeyou searching but you can't see us.' They found theslate attached to her body some days later.

Safety is such a boring subject, but the twoseparate events concerning lost divers reported in Undercurrent in October might have made youchange your mind.

One of the first rulesof safety at sea is to staywith your vessel, but wedivers habitually jump offinto the unknown. Whatsteps do we take to makesure our surface supportcan find us easily?

Rescue Devices? Not Always

Many divers carry abright orange or redsafety sausage. Inflated,they can rise about ameter out of the water. Indaylight, a boat operator with a high viewpoint andgood binoculars can spot one about half a nauticalmile away. The driver of an inflatable will be lessable. Taller safety sausages are available, but rarelypurchased by divers.

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Some divers carry an emergency flare in a watertightcontainer, but if it works (and you never knowuntil you try), it's a one hit wonder. Rescue dyesdon't offer a panacea either. Their effect is soondissipated in anything but a flat, calm sea. As forwhistles, the noise generated by a vessel's engines,plus wind and waves, make them almost impossible to hear. A search party in a small boat would needto cut the engine and listen.

A fully charged dive light, reserved for emergencies and not used routinely during the dive, should be part of every diver's kit.

The Better Choice

A two-foot (60 cm) bright yellow flag on anextending pole can be seen from a far greaterdistance than a safety sausage. The pole comes inseveral sections of plastic tubing that slot togetherand are held in place by an elastic cord that runs through the middle. Researchers at Heriot-WattUniversity in the UK, who test many devices, foundthat bright yellow was the most conspicuous color atsea. Alister Wallbank, leading the team of researchers,reported, 'The folding flags were by far themost reliable and, at about $25, cost-effective devicewe tested, particularly the Day-Glo yellow [flag]. Itwas consistently spotted at up to two nautical miles.Yellow was the most conspicuous colour, even withbreaking wave crests, and could be located in deterioratinglight when it was impossible tolocate pennants ofany other color. Redand orange flagswere located at up toone mile. Two of ourobservers who sufferedfrom degreesof red/green colourblindness, had difficultyspotting thesecolors, particularly inintermediate light.Not surprisingly, flagswere most easily locatedwhen the searchheading was abeamto the wind direction so that the pennantpresented the greatestvisible surface area.'

Though of no value at night, a flag is a low-techsolution for daytime. A diver can lash a folded flagto his tank and deploy it single-handed. Some divestores sell these flags, but they can also be foundonline at www.bowstonediving.com

After the Sun Goes Down

When a dozen divers went missing at theElphinstone Reef in the Red Sea, they were finallydiscovered at nightbecause some haddive lights. The diverslost at Malpelo inSeptember carried nolights, although theywent into the waterlate in the afternoon.They might have beenluckier had they doneso (two perished).

So a fully chargeddive light, carried andreserved for emergenciesand not usedroutinely during thedive, should be partof every diver's kit --and during a predivecheck, verifying thatit functions properlyshould be as importantas monitoring theair supply.

The same can be said for all electronic emergencyequipment. Many divers now carry a PersonalLocator Beacon (PLB) such as one of the McMurdoFastfind products, in a watertight case. Some ofthese have been marketed as Emergency PositionIndicating Radio Beacon (EPIRB) but there is someconcern that not all have sufficient power to senda signal to a satellite in the same way as an EPIRBcarried on ships and planes does. Safety and RescueSatellite-Aided Tracking (SARSAT) is an internationalsatellite system coordinated by the USA, Russia,France and Canada as part of a two tier satellite systemthat can relay an emergency message to a missioncontrol center via a ground receiving station.This then forwards information to the appropriatesearch and rescue center and local search and rescuefacilities.

There is some concern that not all PLBs or smallEPIRBs have sufficient power to send a signal to asatellite in the same way as a bigger EPIRB carriedon ships and planes. You'll never know until you try!

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The Electronic Lifeline

The Canadian Nautilus Lifeline is a portabledevice combining radio and GPS that dovetailswith current international safety-at-sea protocols. Itoffers lost divers three rescue strategies: a marine VHF radio so that a diver can talk directly to the diveboat calling in the GPS position displayed, a localizedemergency call-out, and a worldwide SARSATsatellite-activated rescue mission.

If the diver fails to make contact with the diveboat, his second strategy is to put out a general distresscall on Channel 16 in the hope that anothervessel in the area will come to the rescue. While thatprogram covers a lot of the world (though not yetmuch of the Pacific), it's unlikely there would beany rescue craft available in many remote locations.For example, the deaths in Malpelo (Undercurrent October 2016) reveal how tardy the Colombianauthorities were in instigating a sea search for thosemissing divers.

Early versions of the Lifeline required registeringand receiving a specific Maritime Mobile ServiceIdentity number, which is issued to all vessels usingportable marine VHF radio licenses. Many Lifelineusers just invent one to satisfy the paperwork, butthat could mislead would-be rescuers if the operatorinadvertently selected a number that actually wasassigned to some other vessel's radio that was mostlikely in a different part of the world.

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A few liveaboards supply them to divers, but theyare expensive, so many don't.When faced with refurbishingcabins or providing safetybeacons, the former usuallyhas more marketplace appeal.Safety isn't sexy.

The diver/boat VHF radiofeature was an excellent idea,but there are some licensingproblems associated with theuse of marine VHF in manyparts of the world. Nautilus now has brought out a version, the Nautilus LifelineMarine Rescue GPS, without the personal VHF radiofeature and not needing MMSI registration.

It's smaller than the original. Activating it sendsboth a GPS position back to your boat's marineradio and a man-overboard distress message to allAIS-equipped vessels within a 34-mile radius. TheAutomatic Identification System (AIS) is an automatictracking system used on ships. But you mustbe diving where there might be such so-equippedvessels, and many of us dive in areas where othervessels are few and far between. Also, the onewattoutput would not provide the 34-mile range.Furthermore, in many instances, the original Lifelinefailed because the user failed to recharge it. Thenew Nautilus Lifeline Marine Rescue GPS has userreplaceablebatteries said to be good for five years,obviating the need to constantly recharge it. It costsaround $200. www.nautiluslifeline.com

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Seareq in Germany manufactures an autonomousdiver locator system called ENOS. Divers carry a portablesubmersible signaling devices that relays to atracking unit on the dive boat. The dive boat operatormust invest in the system, which also requiresinstalling an unobstructed aerial on the vessel's crosstrees.Generally, the ENOS system has been effective,but few vessel owners have been willing to make theinvestment. Safety is not sexy.

All signaling devices, whether high-tech or lowtech,require that somebody knows you are missing.It still requires the dive boat to instigate a search.Operations that cut corners cut their spending onsafety requirements first. You need to be able to trustyour surface support crew. It has been alleged that,when it became necessary, the MV Maria Patricia, the Colombian dive boat that lost divers at Malpelo, carriedinsufficient fuel to look for them.